I don't get where this idea that Bloodstained would benefit so much from being on "high end" hardware other than graphical bells and whistles comes. It's a Castlevania game, it'll have corridors and rooms, enemies, weapons and magic. It won't do anything mind-blowing that can't be done on less powerful hardware other than better graphics, it won't have amazing AI routines, sprawling open worlds or thousands of enemies and that has nothing to do with the fact that there's a Vita and Wii U version.
Some versions will look prettier, others will look worse and that's about it, considering there's a separate team to port it.
Honestly, it will probably end up being ugly as all fuck anyway if MN9 is any indication.